US6802978B2 - Process for environmental recovery in urban regions - Google Patents

Process for environmental recovery in urban regions Download PDF

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Publication number
US6802978B2
US6802978B2 US10/167,089 US16708902A US6802978B2 US 6802978 B2 US6802978 B2 US 6802978B2 US 16708902 A US16708902 A US 16708902A US 6802978 B2 US6802978 B2 US 6802978B2
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watercourse
downstream
particles
causing
urban
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US20030085176A1 (en
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João Carlos Gomes de Oliveira
Elizabeth Maniero Gomes de Oliveira
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Assigned to DT ENGENHARIA DE EMPREENDIMENTOS LTDA. reassignment DT ENGENHARIA DE EMPREENDIMENTOS LTDA. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CARLOS GOMES DE OLIVEIRA, JOAO, MANIERO GOMES DE OLIVEIRA, ELIZABETH
Assigned to GOMES DE OLIVEIRA, João Carlos reassignment GOMES DE OLIVEIRA, João Carlos ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DT ENGENHARIA DE EMPREENDIMENTOS LTDA
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00—Aeration of stretches of water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Definitions

  • the present report refers to a process of environmental recovery in urban regions and, more specifically, to a process that allows micro, medium and macro-scale treatment throughout urban watercourses, thus affecting all watercourses of an urban region in a continuous and complementary manner, such as canalized watercourses that migrate towards streamlets; streamlets that migrate towards secondary and/or primary effluents; and throughout river effluents in their urban section.
  • One of the goals of this invention is to promote a process of environmental recovery in urban regions that acts throughout the entire watercourse mesh of an urban region in order to remove the present pollution, in domestic canalized sewerage streams and effluents cast without any treatment in urban riverbeds, as well as in rainwater streams where pollution is spread out.
  • Another goal of this invention is to promote a process of environmental recovery in urban regions that allows an improvement of sanitation conditions from the user to the effluent riverbed, allowing the implantation of a group of systems through which the removal of the existent pollution from the user to the watercourse will occur, enabling the elimination of non-esthetic aspects and bad odor, with the corresponding use of hydro resources for future reutilization.
  • Another goal of this invention is to promote a process of environmental recovery in urban regions that allows the utilization of urban watercourses in connection with entertainment and the practice of sports; the conservation of natural hydro resources against excessive pollution and its maintenance in full conditions in order to allow the full exploitation thereof.
  • Another goal of this invention is to promote a process of environmental recovery in urban regions that fulfills the treatment needs of sewers at micro, medium and macro scales in the entire urban hydro mesh, from the user to the river effluent, so that pollution is fully treated before being cast into watercourses in regions where the collection of waste is not efficient, thus avoiding the deterioration of riverbeds in urban regions.
  • Another goal of this invention is to promote a process of environmental recovery in urban regions that presents a low cost of implementation, making it feasible to adapt it to any type of watercourse.
  • Another goal of this invention is to promote a process of environmental recovery in urban regions that does not demand the execution of construction works in order to delimitate a large area for the treatment of polluted water from a watercourse.
  • Another goal of this invention is to promote a process of environmental recovery in urban regions which implementation demands slow adaptations in the section of its installation throughout the watercourse.
  • This and other objectives and advantages of the present invention can be achieved with a process of environmental recovery in urban regions that acts along the entire watercourse mesh of an urban region, from the canalized domestic course of sewerage systems to the urban sections of riverbed, including the following stages: from the domestic section, such as a sewerage gallery, to promote a micro application of floating or coagulating material in the watercourse to be treated, whether rainwater or sewer matter; followed by micro flocculation, so as to promote an aggregation of particles in suspension downstream, defining flakes of greater dimensions; submit those larger aggregated particles in suspension downstream in this domestic watercourse to, at least one step of dissolution and air injection, causing a micro floatation of such aggregated particles; allowing a micro aggregation of the floating material to occur downstream, which will be removed from this domestic course before it reaches a streamlet or even a river effluent; next, after the flow of water submitted to a micro treatment is thrown into a streamlet or secondary effluent (which is referred to as a regional course of
  • FIG. 1 represents a sketch of an urban section of a river with its hydro mesh of domestic captivation of water and sewer, provided that such watercourse is prepared to be submitted to the process of environmental recovery in question.
  • FIG. 2 represents a sketch of an amplified detail, as pointed by arrow A of FIG. 1, of a domestic sector of such hydro mesh of captivation of water and sewer;
  • FIG. 3 represents a sketch of an amplified detail of the sequential stages of recovery of watercourses, which occur at micro, medium and macro manners, as pointed out under letter “B”, in FIGS. 1 and 2 .
  • the process of environmental recovery in riverbeds of urban regions comprises stages of domestic and canalized watercourse 1 of water and sewer, to be carried out with the execution of a micro process of removal of polluting materials and/or substances 20 ; followed by, at least, one stage of aeration 11 of the canalized watercourse until it reaches secondary watercourse 2 , defined by a streamlet or totally urban secondary effluent; provided that, next, such watercourse 2 is to be submitted to a medium process of removal of polluting materials and/or substances 20 a , followed by at least one stage of aeration 11 of the secondary watercourse until it reaches the riverbed in its urban section 3 ; next, such urban riverbed 3 is to be submitted to successive and intercalated stages of aeration 11 along its course, with macro processes of removal of polluting materials and/or substances 20 b , which extend along the urban sector 3 of the course of the effluent before it reaches the water dam for water supply, which is
  • Each one of the removal processes of polluting materials and/or substances 20 , 20 a and 20 b presents the same procedural stages, except for some changes regarding the treatment capacity, which is inherent and compatible with the volume of liquid to be treated, due to this treatment enhancement defined or dimensioned as micro, medium and macro environmental recovery.
  • each one of the removal processes of polluting materials and/or substances 20 , 20 a and 20 b involves the following stages: to apply flocculating or coagulating material 21 in a watercourse section 1 , 2 or 3 to be treated; to allow the creation of a flocculating basin 22 along watercourses 1 , 2 or 3 , so as to cause an aggregation of particles in suspension 12 downstream 23 , evidencing flakes of greater dimensions; to submit those coagulated particles and particles of greater dimensions 12 partially retained downstream 23 of watercourse 1 , 2 or 3 to successive stages of dissolution and injection of air 11 , causing a floatation of such aggregated particles 12 ; to allow the creation a floatation basin 24 along watercourse 1 , 2 or 3 , so as to cause an, aggregation of floating material 13 to be formed downstream 25 , on the surface and alongside the watercourse margins 1 , 2 or 3 , defining the concentration of floating material 13 in a restricted area 25 of the surface of watercourse 1 , 2
  • the distances between stages 21 , 22 , 11 , 24 and 26 referred to above may vary, so as to require a small treatment station or a segmented treatment station, with its procedural stages 21 , 22 , 11 , 24 and 26 distributed along the watercourses 1 , 2 , and 3 in its urban section.
  • the process of environmental recovery of watercourses in urban regions as a whole is formed sequentially to act throughout all of the mesh of watercourse 1 , 2 and 3 of an urban region from domestic and canalized sewerage system 1 to the riverbed 3 in its urban portion, provided that such process is to include the following stages: starting from the domestic branch 1 , such as a sewer gallery, to promote a micro application of flocculating or coagulating material 21 in the watercourse 1 to be treated, whether it involves sewer or rainwater; followed by a micro flocculation 22 , so as to cause an aggregation of particles downstream 23 , defining flakes 12 of greater dimensions; submit those aggregated particles 12 and particles of greater dimensions downstream of this domestic course 1 of water during at least one stage of dissolution and injection of air 11 , causing a micro floatation 24 of such aggregated particles; allowing the downstream occurrence of a micro aggregated floating material 13 , which is removed from this domestic course 1 before it reaches a streamlet 2 or even an effluent of river 3 ; next, after
  • an application of flocculating material is initiated, provided that such application enables the removal of organic mater in suspension and, therefore, chemical products are initially added so as to cause coagulation and to aid in the coagulation process in water. After some time, such products cause an aggregation of particles in suspension 12 , forming flakes of greater dimension and density which define a flocculation basin downstream of watercourses 1 , 2 or 3 .
  • a station for dissolution and injection of air 11 which enables the occurrence of the floatation process of aggregated particles 12 .
  • this station for dissolution and air injection 11 can be basically composed of water pumping units, air compressing units, mixer and clarifiers.
  • the necessary water sewage to be injected with micro pulverized air is 10% of the existing sewage in watercourse 1 , 2 or 3 .
  • the equipment must be dimensioned in order to fulfill the needs imposed by process 20 , 20 a , 20 b.
  • the retention fence is located transversally to the location, so as to enable the concentration of floating material 13 alongside the margin, helping the process of removal.
  • any equipment with capacity to collect the concentrated material 13 can be applied.

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
US10/167,089 2001-06-11 2002-06-10 Process for environmental recovery in urban regions Expired - Lifetime US6802978B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BR0105462A BR0105462B1 (pt) 2001-06-11 2001-06-11 processo de recuperação ambiental em regiões urbanas.
BR105462 2001-11-06
BRPI105462-7 2001-11-06

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US20030085176A1 US20030085176A1 (en) 2003-05-08
US6802978B2 true US6802978B2 (en) 2004-10-12

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US (1) US6802978B2 (de)
EP (1) EP1266867B1 (de)
AR (1) AR034466A1 (de)
AT (1) ATE336468T1 (de)
BR (1) BR0105462B1 (de)
DE (1) DE60213912T2 (de)
ES (1) ES2271149T3 (de)
MX (1) MXPA02005646A (de)
PT (1) PT1266867E (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040245180A1 (en) * 2003-05-30 2004-12-09 Gomes De Oliveira Joao Carlos Coupling of a sewer treatment station to a treatment plant for the flocculation and flotation of water streams and the insertion of treatment plant for the flocculation and flotation of water streams into a water treatment station
US20090090673A1 (en) * 2007-07-31 2009-04-09 Aquafiber Technologies Corporation Water Remediation and Biosolids Collection System and Associated Methods
US20100096324A1 (en) * 2008-10-20 2010-04-22 Absolute Aeration System and method for reducing pollution in a body of water
US20140326648A1 (en) * 2011-11-23 2014-11-06 João Carlos Gomes de Oliveira Facility for removal of materials and/or polluting substances contained in watercourses
US10597316B2 (en) 2018-06-13 2020-03-24 Dt Engenharia De Empreendimentos Ltda System for implementation or de-pollution and revitalization of artificial or natural lakes
US11530151B2 (en) 2020-07-20 2022-12-20 Dt Engenharia De Empreendimentos Ltda Continuous-, linear-, flexible-channel sewage treatment process, through a modified aerobic biological reactor system, or transformation of an existing anaerobic biological reactor into a modified aerobic biological reactor, coupled with a modified flexible flotation/decanting system

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0802065A2 (pt) * 2008-05-09 2010-01-12 Dt Engenharia De Empreendimentos Ltda sistema modular de fluxo variável e contìnuo para tratamento de cursos d'água
BRPI1001307B1 (pt) * 2010-04-15 2020-05-05 Dt Engenharia De Empreendimentos Ltda injeção de oxigênio em bacia de flotação do processo de remoção de substâncias poluentes em cursos d'água
US8882441B2 (en) * 2010-07-07 2014-11-11 ATOPIA Research Deployable wind power and battery unit
CN105347614A (zh) * 2015-11-10 2016-02-24 苏州海而仕信息科技有限公司 一种城市雨水处理工艺
CN116143351A (zh) * 2023-04-10 2023-05-23 长江生态环保集团有限公司 一种基于联合单元的跨级别协同城市尾水处理装置及方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3470091A (en) * 1967-02-21 1969-09-30 Dorr Oliver Inc Treatment of polluted streams in place
US3693796A (en) * 1969-08-21 1972-09-26 Bernard Michel Method and apparatus for removal of particles from suspension
US3884810A (en) * 1972-07-13 1975-05-20 Wassily Smyrnow Anti pollution waterway device and process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3025653A1 (de) * 1980-07-07 1982-01-28 Wilhelm Roediger Gmbh + Co, 6450 Hanau Belebtschlammanlage
US4738784A (en) * 1986-07-03 1988-04-19 Kazutoyo Sugihara Flotation device
GB2243151A (en) * 1990-04-20 1991-10-23 Lu Wen Pin Device for aerating and dispersing chemicals in lakes etc.
GB2279946A (en) * 1993-07-14 1995-01-18 H & G Process Contracting Water treater
US6171488B1 (en) * 1997-07-15 2001-01-09 Zpm, Inc. Fluid conditioning system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3470091A (en) * 1967-02-21 1969-09-30 Dorr Oliver Inc Treatment of polluted streams in place
US3693796A (en) * 1969-08-21 1972-09-26 Bernard Michel Method and apparatus for removal of particles from suspension
US3884810A (en) * 1972-07-13 1975-05-20 Wassily Smyrnow Anti pollution waterway device and process

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040245180A1 (en) * 2003-05-30 2004-12-09 Gomes De Oliveira Joao Carlos Coupling of a sewer treatment station to a treatment plant for the flocculation and flotation of water streams and the insertion of treatment plant for the flocculation and flotation of water streams into a water treatment station
US7297258B2 (en) * 2003-05-30 2007-11-20 Gomes De Oliveira Joao Carlos Coupling of a sewer treatment station to a treatment plant for the flocculation and flotation of water streams and the insertion of treatment plant for the flocculation and flotation of water streams into a water treatment station
US20090090673A1 (en) * 2007-07-31 2009-04-09 Aquafiber Technologies Corporation Water Remediation and Biosolids Collection System and Associated Methods
US8075783B2 (en) * 2007-07-31 2011-12-13 Aquafiber Technologies Corp. Water remediation and biosolids collection system and associated methods
US20100096324A1 (en) * 2008-10-20 2010-04-22 Absolute Aeration System and method for reducing pollution in a body of water
US8298411B2 (en) * 2008-10-20 2012-10-30 Absolute Aeration System and method for reducing pollution in a body of water
US20140326648A1 (en) * 2011-11-23 2014-11-06 João Carlos Gomes de Oliveira Facility for removal of materials and/or polluting substances contained in watercourses
US9517957B2 (en) * 2011-11-23 2016-12-13 Joao Carlos Gomes de Oliveira Facility for removal of materials and/or polluting substances contained in watercourses
US10597316B2 (en) 2018-06-13 2020-03-24 Dt Engenharia De Empreendimentos Ltda System for implementation or de-pollution and revitalization of artificial or natural lakes
US11530151B2 (en) 2020-07-20 2022-12-20 Dt Engenharia De Empreendimentos Ltda Continuous-, linear-, flexible-channel sewage treatment process, through a modified aerobic biological reactor system, or transformation of an existing anaerobic biological reactor into a modified aerobic biological reactor, coupled with a modified flexible flotation/decanting system

Also Published As

Publication number Publication date
US20030085176A1 (en) 2003-05-08
AR034466A1 (es) 2004-02-25
EP1266867A3 (de) 2003-02-26
EP1266867A2 (de) 2002-12-18
DE60213912D1 (de) 2006-09-28
BR0105462B1 (pt) 2010-06-15
MXPA02005646A (es) 2004-09-10
DE60213912T2 (de) 2007-03-29
PT1266867E (pt) 2007-01-31
BR0105462A (pt) 2003-04-15
ES2271149T3 (es) 2007-04-16
EP1266867B1 (de) 2006-08-16
ATE336468T1 (de) 2006-09-15

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